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// Copyright 2021 Hugo Daniel Henriques Oliveira Gomes. All rights reserved.// Licensed under the EUPLimport { denoTag } from "./code.ts";
/** * Prints the command line help text. *  * This is a simple line saying to run this file with: *  * `deno run --allow-read --allow-run --unstable deno_tag.ts someFile.html` */function printUsage(code = 1) {  console.log(    "> deno run --allow-read --allow-run --unstable deno_tag.ts [FILE]",  );  Deno.exit(code);}
/** Displays usage and exits when there were not enough arguments passed */function validateArgs() {  if (Deno.args.length === 0) {    printUsage();  }}
/**  * Running this file will process the text on the supplied file and replace * every `<deno>` tag occurrence with the output produced by the deno action * attribute on its file.  */try {  // Assert that the right number of arguments have been provided  validateArgs();  const file = Deno.args[0];  // Get Current Working Directory  // Get the directory of the argument file to process  const realPath = await Deno.realPath(file);  const fileFolder = realPath.slice(0, realPath.lastIndexOf("/"));  // Read the contents of the file into a string  const text = await Deno.readTextFile(file);  // Change to the directory of the file to process  Deno.chdir(fileFolder);  // Print the new updated contents to the stdout  console.log(await denoTag(text));} catch (e) {  console.error(`\n> ${Deno.args[0]}: ${e.message}\n`);  printUsage();}